SKU-021326 ( SOLD by each PER SIZE ) Slobber Bar Clevis eyes, made of stainless steel 5/32 diameter. JWP makes the Clevis Eye's in 2 sizes.
SMALL is .375 ( 3/8 inside diameter ) the traditional size used with rein chains.
LARGE is 13/16 inside for those folks using rein & romal with snaps, or split reins.